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. 2021 Sep 16;9(26):7704-7716.
doi: 10.12998/wjcc.v9.i26.7704.

Evaluation of the etiology and risk factors for maternal sepsis: A single center study in Guangzhou, China

Lin Lin  1 , Lu-Wen Ren  1 , Xue-Yuan Li  1 , Wen Sun  1 , Yan-Hong Chen  1 , Jing-Si Chen  2 , Dun-Jin Chen  1
Affiliations

Evaluation of the etiology and risk factors for maternal sepsis: A single center study in Guangzhou, China

Lin Lin et al. World J Clin Cases. .

Abstract

Background: Maternal sepsis is a major cause of gestational morbidity and neonatal mortality worldwide and particularly in China.

Aim: To evaluate the etiology of maternal sepsis and further identify its risk factors.

Methods: In this retrospective study, we evaluated 70698 obstetric patients who were admitted to the Third Affiliated Hospital of Guangzhou Medical University between January 1, 2009 and June 30, 2018. Subjects were divided into sepsis group and non-sepsis group based on the incidence of sepsis. Data about medical history (surgical and obstetric history) and demographic information were collected. The Mann-Whitney U test was used to compare patient age, gestational age and duration of hospitalization between the two groups. Univariate and multivariate logistic regression models were used to analyze the etiology and the risk factors for maternal sepsis. Unadjusted and adjusted odds ratios (OR) are reported.

Results: A total of 561 of 70698 obstetric patients were diagnosed with infection; of the infected patients, 492 had non-sepsis associated infection (87.7%), while 69 had sepsis (12.3%). The morbidity rate of maternal sepsis was 9.76/10000; the fatality rate in the sepsis group was 11.6% (8/69). Emergency admission (OR = 2.183) or transfer (OR = 2.870), irregular prenatal care (OR = 2.953), labor induction (OR = 4.665), cervical cerclage (OR = 14.214), first trimester (OR = 6.806) and second trimester (OR = 2.09) were significant risk factors for maternal sepsis.

Conclusion: Mode of admission, poor prenatal care, labor induction, cervical cerclage, first trimester and second trimester pregnancy were risk factors for maternal sepsis. Escherichia coli was the most common causative organism for maternal sepsis, and the uterus was the most common site of infection.

Keywords: Infection; Maternal sepsis; Risk factors; Sepsis-3.

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Conflict of interest statement

Conflict-of-interest statement: The authors declare that they have no conflict of interest.

Figures

Figure 1
Figure 1
Schematic illustration of study design, patient-selection criteria and outcomes of sepsis.
See this image and copyright information in PMC

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